Emberfast

Emberfast helps you track intermittent fasting with a clean, focused interface. Start a fast, watch your progress in real time, and learn what's happening in your body at each stage. FASTING ZONES See your body's metabolic state as you fast — from blood sugar changes through fat burning, ketosis, and into autophagy. Each zone shows where you are and what's happening. PROTOCOLS BUILT IN • 16:8 — 16 hours fasting, 8-hour eating window • 18:6 — 18 hours fasting, 6-hour eating window • 20:4 — 20 hours fasting, 4-hour eating window • OMAD — One Meal a Day (23:1) • 5:2 — 5 normal days, 2 restricted days • Custom — set your own duration WIDGETS & LIVE ACTIVITIES Keep your fast visible on your home screen, lock screen, or Dynamic Island without opening the app. HISTORY & STREAKS Review your fasting calendar, track your streak, and see detailed stats for every session. APPLE HEALTH Optionally sync completed fasts to Apple Health to keep all your health data in one place. PRIVACY FIRST No account required. No tracking. No servers. Your data stays on your device and syncs privately through iCloud. No subscriptions. No ads. Just a simple, well-made fasting tracker.